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Overview of the Differences Between Sapphires and Other Blue Gemstones

in Engagement Rings

Gemstones come in different colors, and blue is one of the most popular colors for gemstones. However, not all blue gemstones are the same. In this post, we will discuss the differences between sapphires and other blue gemstones, including their characteristics, origins, and value.

Gemstone

Hardness (Mohs)

Specific Gravity

Refractive Index

Color

Origin

Sapphire

9

3.99-4.00

1.76-1.78

Blue

Sri Lanka, Madagascar, Australia

Blue Topaz

8

3.49-3.57

1.61-1.64

Blue

Brazil, Nigeria

Blue Zircon

6.5-7.5

3.93-4.73

1.78-1.98

Blue

Cambodia, Burma, Sri Lanka

Aquamarine

7.5-8

2.68-2.74

1.57-1.58

Blue-green

Brazil, Madagascar, Nigeria

Blue Spinel

7.5-8

3.56-4.06

1.71-1.74

Blue

Sri Lanka, Tanzania, Burma

Tanzanite

6-7

3.35-3.38

1.69-1.70

Blue-violet

Tanzania

Sapphire vs. Blue Topaz

Blue topaz is a popular blue gemstone that is often compared to sapphires. However, there are significant differences between the two. For instance, sapphires are much harder and more durable than blue topaz. Sapphires are also rarer and more valuable than blue topaz. We will explore these differences in more detail in this section.

Sapphire vs. Aquamarine

Aquamarine is another blue gemstone that is often compared to sapphires. While both stones have a blue hue, they are fundamentally different. Aquamarine is a beryl stone, while sapphires are a type of corundum. Sapphires are also much harder and more durable than aquamarine. In this section, we will compare and contrast the two stones.

Sapphire vs. Blue Zircon

Blue zircon is a beautiful blue gemstone that is often used as an alternative to sapphires. While blue zircon may look similar to sapphires, they have significant differences in terms of origin and durability. Blue zircon is a softer stone than sapphires, and it is not as rare or valuable. In this section, we will explore these differences in more detail.

Sapphire vs. Blue Tourmaline

Blue tourmaline is a less well-known blue gemstone that is often compared to sapphires. Both stones are known for their rich blue hues, but they are fundamentally different. Blue tourmaline is a boron silicate mineral, while sapphires are a type of corundum. Sapphires are also much harder and more durable than blue tourmaline. We will compare and contrast the two stones in this section.

Sapphire vs. Lapis Lazuli

Lapis lazuli is a unique blue gemstone that is often used in jewelry. While sapphires and lapis lazuli may have similar blue hues, they are fundamentally different in terms of their characteristics and value. Lapis lazuli is a softer stone than sapphires, and it is not as rare or valuable. In this section, we will explore the differences between the two stones.

In Conclusions

Sapphires are unique and valuable blue gemstones that differ significantly from other blue gemstones. While other stones may have a similar blue hue, sapphires are much harder, more durable, and more valuable. Understanding the differences between sapphires and other blue gemstones can help you make informed decisions when purchasing jewelry or investing in gemstones.

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